/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchyDefines.h
Returns the collection in the reverse order
static [FRigElementKeyCollection](API\Plugins\ControlRig\Rigs\FRigElementKeyCollection) MakeReversed ( const [FRigElementKeyCollection](API\Plugins\ControlRig\Rigs\FRigElementKeyCollection) & InCollection )